Table 1 Comparison of baseline characteristics for participants and non-participants in the 10-year longitudinal study within the Västerbotten Intervention Programme surveys, 1990–1994.1
Baseline characteristic | Participants (%) | Non-participants (%) | |
|---|---|---|---|
Age (years) | 30 | 23.4% | 29.9%§ |
| Â | 40 | 39.7% | 39.3% |
| Â | 50 | 36.9% | 30.8% |
Sex | Male | 46.6% | 50.4%§ |
| Â | Female | 53.4% | 49.6% |
Education | Low | 22.8% | 21.8%†|
| Â | Medium | 53.9% | 52.6% |
| Â | High | 23.4% | 25.6% |
Body mass index, kg/m2 | Â | 24.8 (3.8) | 25.2 (4.1) |
Serum cholesterol, mean (SD) mmol/L | Â | 5.49 (1.20) | 5.52 (1.23)* |
Blood pressure, mean (SD) mmHg | Systolic | 123 (15) | 124 (15) |
| Â | Diastolic | 77 (10) | 77 (11) |
Glucose metabolism | Normal | 93.2% | 92.6%†|
| Â | Glucose intolerance | 4.0% | 3.6% |
| Â | Diabetes | 2.8% | 3.7% |
Smoker |  | 24.8% | 30.4%§ |
Snuff use |  | 25.6% | 28.7%§ |
Physically inactive |  | 41.5% | 42.9%†|